What are the ways that water vapor can reenter the atmosphere? a. sublimation b. evaporation c. evapotranspiration d. all of the above select the best answer from the choices provided

What is the main fuel source for the work of the cell

Cladistics is a way of classifying organisms by examining the characteristics of their ancestors and descendants and depicting the relationships in a cladogram. which of the following best describes a challenge in classifying organisms this way? a. there are millions of species on earth, and a cladogram is not a practical means for classifying all of them. b. it is impossible to tell which organisms are most closely related to each other using a cladogram. c. cladograms are detail-oriented and do not provide a useful understanding of evolutionary relationships. d. there is a limited number of ways to organize the information, so most cladograms end up looking very similar.

Amines amides and amino acids are categories of